Jo Duffy

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Mary Jo Duffy
Comic-Con 1982
Born (1954-02-09) February 9, 1954 (age 62)
Nationality American
Area(s) Writer, Editor
Pseudonym(s) Jo Duffy

Jo Duffy, sometimes credited as Mary Jo Duffy (born February 9, 1954)[1] is a comic book editor and writer, known for her work for Marvel Comics in the 1980s, and DC Comics and Image Comics in the 1990s.


A native of the New York City area, Duffy attended Wellesley College. As a young woman, she had letters published in Marvel Comics letter columns in the mid-1970s.[2] She made an in-comic appearance as an autograph seeker in Iron Man #103. Her first credits as editor appear on The Incredible Hulk #231 and The Spectacular Spider-Man #26, both cover dated January 1979. She edited the first seventeen issues of Marvel's ROM series, before handing over the reins to Al Milgrom.

Her writing work included Power Man and Iron Fist, Marvel's Star Wars comic, Conan the Barbarian, Wolverine, and Fallen Angels. Her run on Power Man and Iron Fist was the longest and most successful of the series, and was noted for using a lighthearted, tongue-in-cheek approach at a time when Marvel was pushing darker and more serious stories.[3]

In the 1990s, she worked for other publishers, including DC Comics, where she wrote the first 14 issues of Catwoman (1993). For Rob Liefeld's Extreme Studios imprint of Image Comics, she wrote all twenty-two issues of the first Glory series, between March 1995 and April 1997, the last five issues of which were released by Liefeld's Maximum Press after his departure from Image.

In the early 2000s, she wrote issues of Marvel's Defenders, while working at a financial services company in Lower Manhattan. Her work at that company included meeting planning, editing, proofreading, and packaging for a comic book published by the company.[4] She now works as a receptionist at the US Immigration Office in New York and has been largely absent from the publishing scene. She made multiple announcements on her Facebook page that she created a new company to self-publish her work, and incorporated Armin Armadillo Publishers in 2008. However, no works were forthcoming,[citation needed] and as of 2013, the company is listed as inactive.[5]

Personal life[edit]

As of October 2001, Duffy was recovering from a surgery following an accident that caused major trauma to the bones in the lower half of her right leg. As her company's offices are located eight blocks from the World Trade Center site, Duffy and her coworkers were evacuated on the day of the September 11 attacks.[4]


  1. ^ Miller, John Jackson (June 10, 2005). "Comics Industry Birthdays". Comics Buyer's Guide. Archived from the original on October 29, 2010. Retrieved December 12, 2010. 
  2. ^ "From Fanboys to Pros: Mary Jo Duffy," Josh Neufeld Comix & Stories. Accessed April 18, 2009.
  3. ^ Callahan, Timothy (December 2010). "Power Man and Iron Fist". Back Issue! (TwoMorrows Publishing) (45): 3–11. 
  4. ^ a b Maggie Thompson and Jo Duffy. Comics Buyer's Guide #1457; October 19, 2001; pp. 14, 16, & 18
  5. ^


External links[edit]

Preceded by
Archie Goodwin
Wolverine writer
Succeeded by
Larry Hama
Preceded by
Catwoman writer
Succeeded by
Chuck Dixon